epoch was characterized by ice sheets that covered a third of the planet. This was also known as the Last Glacial Maximum.

Ice caps

An ice cap can be defined as a dome-shaped mass of ice that exhibits a radial flow.They are often easily confused with ice sheets, but these ice structures are smaller than 50,000 km², and obscure the entirety of the topography they span.They mainly form in polar and sub-polar regions with particularly high elevation but flat ground.Ice

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